Graham Irwin's Discussions (22)

Discussions Replied To (22) Replies Latest Activity

"Hammer and Hand make beautiful, high-end, super efficient and durable custom doors.…"

Graham Irwin replied Nov 27, 2015 to Energy Efficient Entry Door options out there?

25 Nov 28, 2015
Reply by Tauran Ivall

"Oh, and to eliminate the leaky "sweep" gasket at the sill, we used an outswing door…"

Graham Irwin replied Nov 27, 2015 to Energy Efficient Entry Door options out there?

25 Nov 28, 2015
Reply by Tauran Ivall

"On this Passivhaus retrofit in Santa Cruz (http://midorihaus.com) we used Plastpro (…"

Graham Irwin replied Nov 27, 2015 to Energy Efficient Entry Door options out there?

25 Nov 28, 2015
Reply by Tauran Ivall

"John, Interesting though, if you read this NREL article (https://financere.nrel.gov…"

Graham Irwin replied Oct 23, 2014 to How does efficiency factor into a grid parity world?

5 Oct 26, 2014
Reply by Bob Blanchette

"George, You raise a good question. The concept of "free and unlimited" energy is no…"

Graham Irwin replied Oct 23, 2014 to How does efficiency factor into a grid parity world?

5 Oct 26, 2014
Reply by Bob Blanchette

"http://www.nrel.gov/docs/fy14osti/61314.pdf http://www.nrel.gov/docs/fy13osti/55482.…"

Graham Irwin replied Sep 4, 2014 to Heating with Tankless Water Heater & Hydronic Air Handler vs. Gas Furnace

14 Sep 4, 2014
Reply by Graham Irwin

"Great information, thank you!"

Graham Irwin replied Aug 5, 2014 to Whole House Fans - Love 'Em or Not?

77 Sep 10
Reply by John White

"Useful information is the Coefficient of Performance (COP) of the whole house fan vs…"

Graham Irwin replied Aug 5, 2014 to Whole House Fans - Love 'Em or Not?

77 Sep 10
Reply by John White

"Thanks for the input. The next question to ask is "how much cooling power is deliver…"

Graham Irwin replied Aug 1, 2014 to Whole House Fans - Love 'Em or Not?

77 Sep 10
Reply by John White

"Kurt, The "large fan" is a whole house fan moving anything from 1000-4000 CFM. By co…"

Graham Irwin replied Aug 1, 2014 to Whole House Fans - Love 'Em or Not?

77 Sep 10
Reply by John White

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Glen Gallo replied to Jerry Needham's discussion Blower door test for small apartment building
"Thanks Colin Interesting subject and many good answers. Thank you Jerry for the question. I have…"
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Yudah Schwartz replied to Jerry Needham's discussion Blower door test for small apartment building
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Duct Optimization and Performance - Free CE Webinar at Webinar Online

October 31, 2018 from 12pm to 1:15pm
Good indoor air starts with proper duct design and installation. In residential ventilation…See More
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John Nicholas replied to Jerry Needham's discussion Blower door test for small apartment building
"Thank You, Colin!  Those are very good points and processes to do some Zone Pressure…"
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Colin Genge replied to Jerry Needham's discussion Blower door test for small apartment building
"The way we'd normally do this is to mount one blower door in the hallway, then a duct tester…"
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